CN204537098U - A kind of touch-screen - Google Patents
A kind of touch-screen Download PDFInfo
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- CN204537098U CN204537098U CN201520058256.8U CN201520058256U CN204537098U CN 204537098 U CN204537098 U CN 204537098U CN 201520058256 U CN201520058256 U CN 201520058256U CN 204537098 U CN204537098 U CN 204537098U
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- optical filtering
- filtering bar
- screen
- touch
- receiving element
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Abstract
The utility model discloses a kind of touch-screen, this touch-screen comprises screen, optical filtering bar, radiated element, receiving element and pcb board, and wherein, pcb board is arranged at the side of screen, and optical filtering bar is socketed in the periphery of screen; Optical filtering bar is embedded with radiated element or receiving element; The light that radiated element is launched transfers in corresponding optical filtering bar after the inwall reflection of optical filtering bar, then is received by receiving element after secondary reflection.Compared with prior art, touch-screen of the present utility model achieve ultra-thin ultra-narrow and light resistance strong.
Description
Technical field
The utility model relates to human-computer interaction technique field, more particularly, relates to a kind of touch-screen.
Background technology
Infrared tube touch-screen is most popular a kind of touch-screen in society now, it be a kind of on two groups of opposite side of screen frame respectively installation infrared power valve and infrared receiving tube, acquired the touch-screen of touch point coordinate position by the break-make of infrared tube light path.
Infrared tube in prior art is arranged at the surface of screen, and infrared tube, structural shape, optical filtering bar and PCB (Printed circuit board, printed circuit board (PCB)) plate form touch frame.The thickness touching frame comprises the thickness of the thickness of structural shape, the thickness of pcb board and infrared tube; Its width comprises the thickness of the thickness of structural shape, the width of pcb board and optical filtering bar, and the infrared touch panel that will do ultra-thin ultra-narrow at present realizes mainly through following several mode: the thickness reducing structural shape; Reduce thickness and the width of pcb board; Reduce the thickness of infrared tube.But the thickness reducing structural shape or pcb board can cause touch-screen hardness step-down, easily produces deformation, causes function abnormal, and be difficult to be reduced to the thickness of 8mm and the width of 10mm; The thickness reducing infrared lamp causes the ability of anti-deformation step-down of touch-screen, easily because the deformation of structural shape or glass causes signal weaker, thus affects the performance of touch-screen, and is difficult to be reduced to the thickness of 8mm and the width of 10mm.
And in infrared tube touch-screen, infrared tube is what to separate with optical filtering bar, light turnover optical filtering bar can produce decay, and anti-light ability is lower.The anti-light ability of current enhancing infrared touch panel realizes mainly through following several mode: hardware circuit anti-light; Software algorithm anti-light; Structural design anti-light.But the anti-light of software and hardware just weakens the impact of exterior light photograph on function, limited efficiency; Section bar broadens to block external ambient light by structure anti-light needs, and touch-screen can broaden thus.
As can be seen from the above description, touch-screen existence of the prior art cannot realize ultra-thin ultra-narrow and realize problem anti-light by force.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of touch-screen, solves in the touch-screen of prior art and cannot realize ultra-thin ultra-narrow and realize problem anti-light by force.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of touch-screen, comprises screen, optical filtering bar, radiated element, receiving element and pcb board,
Described pcb board is arranged at the side of described screen; The periphery of described screen is socketed with described optical filtering bar; Described optical filtering bar is embedded with described radiated element or described receiving element; The light that described radiated element is launched arrives in corresponding described optical filtering bar along the surface of described screen after the inwall reflection of described optical filtering bar, is received after the reflection of its inwall by described receiving element.
Preferably, the xsect of described optical filtering bar is " L " type; The corner angle of the bending place outside described optical filtering bar are chamfering, and plane and the described screen of inner side are fitted.
Preferably, described optical filtering bar comprises the first optical filtering bar and the second optical filtering bar; Described radiated element is embedded in described first optical filtering bar, and described receiving element is embedded in described second optical filtering bar; The light that described radiated element is launched, through the reflection of the chamfering of described first optical filtering bar, along in the described second optical filtering bar of surface arrival of described screen, is received by described receiving element after the reflection of the chamfering of described second optical filtering bar.
Preferably, described radiated element and described first optical filtering bar one-body molded, described receiving element and described second optical filtering bar one-body molded.
Preferably, the quantity of described radiated element and described receiving element is multiple, and described radiated element come on the same level line in described first optical filtering bar, described receiving element also comes on the same level line in described second optical filtering bar.
Preferably, described radiated element is electrically connected with described pcb board respectively with described receiving element.
Preferably, described optical filtering bar is meet the light that described radiated element launches to carry out the optical filtering bar that is totally reflected.
Preferably, described optical filtering bar is acrylic optical filtering bar.
Preferably, described optical filtering bar is polycarbonate optical filtering bar.
Preferably, described radiated element is infrared transmitting tube, and described receiving element is infrared receiving tube, and described screen is glass screen.
A kind of touch-screen that the utility model provides comprises screen, optical filtering bar, radiated element, receiving element and pcb board, and wherein, pcb board is arranged at the side of screen, and optical filtering bar is socketed in the periphery of screen; And optical filtering bar is embedded with radiated element or receiving element.The light that radiated element is launched arrives in corresponding optical filtering bar along the surface of screen after the inwall reflection of optical filtering bar, is received after the reflection of its inwall by receiving element.Compared with prior art, in fact thickness of the present utility model only have the thickness of optical filtering bar, can accomplish that 2mm is even thinner, and the width of its screen outer peripheral portion is the thickness of radiated element and the thickness of pcb board, or be the thickness of receiving element and the thickness of pcb board, can accomplish that 3mm is even narrower; And optical filtering bar and radiated element, receiving element are one, light is totally reflected in optical filtering bar, decreases the decay that light enters optical filtering bar, and the surround lighting of outside cannot realize total reflection by optical filtering bar causes interference.Thus make touch-screen achieve ultra-thin ultra-narrow and light resistance strong.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of a kind of touch-screen that Fig. 1 provides for the utility model embodiment;
The size indication figure of a kind of touch-screen that Fig. 2 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, it illustrates a kind of touch-screen that the utility model embodiment provides, comprise screen 11, optical filtering bar 12, radiated element 13, receiving element 14 and pcb board 15, wherein, pcb board 15 is arranged at the side of screen 11, and the periphery of screen 11 is socketed with optical filtering bar 12; And optical filtering bar 12 is embedded with radiated element 13 or receiving element 14.The light that radiated element 13 is launched arrives in corresponding optical filtering bar 12 along the surface of screen 11 after the inwall reflection of optical filtering bar 12, is received after the reflection of its inwall by receiving element 14.
Radiated element 13 is embedded in optical filtering bar 12, and emission of light signal in optical filtering bar 12, light signal is totally reflected when touching the inwall of optical filtering bar 12, the light signal of reflection penetrates optical filtering bar 12 and transmits on the surface of screen 11, finally enter optical filtering bar 12 corresponding with it, and be again totally reflected when touching the inwall of optical filtering bar, then the light signal after secondary reflection is received by the receiving element 14 filtered in bar 12.
It should be noted that, radiated element 13 and receiving element 14 are arranged on the opposite side of screen 11 respectively.When there being object touch screen 11 surface, the contact point of object and screen 11, can be referred to as contact, can affect the reception of light signal, play to the light signal launched by radiated element 13 effect of blocking, the light signal be blocked cannot normally be received element 14 and receive.Only need add up the Received signal strength situation of receiving element 14, the receiving element 14 and the determined point of radiated element 13 corresponding with it that do not receive light signal are output point.
A kind of touch-screen that the utility model provides comprises screen, optical filtering bar, radiated element, receiving element and pcb board, and wherein pcb board is arranged at the side of screen, and optical filtering bar is socketed in the periphery of screen; And optical filtering bar is embedded with radiated element or receiving element.The light that radiated element is launched arrives in corresponding optical filtering bar along the surface of screen after the inwall reflection of optical filtering bar, is received after the reflection of its inwall by receiving element.Compared with prior art, in fact thickness of the present utility model only have the thickness of optical filtering bar, can accomplish that 2mm is even thinner, and the width of its screen outer peripheral portion is the thickness of radiated element and the thickness of pcb board, or be the thickness of receiving element and the thickness of pcb board, can accomplish that 3mm is even narrower; And optical filtering bar and radiated element, receiving element are one, light is totally reflected in optical filtering bar, decreases the decay that light enters optical filtering bar, and the surround lighting of outside cannot realize total reflection by optical filtering bar causes interference.Thus achieve ultra-thin ultra-narrow and light resistance strong.
In a kind of touch-screen that above-described embodiment provides, the xsect of optical filtering bar 12 can be " L " type, and the corner angle of the bending place outside optical filtering bar 12 are chamfering, and plane and the screen 11 of inner side are fitted.And optical filtering bar 12 can comprise the first optical filtering bar and the second optical filtering bar; Radiated element 13 is embedded in the first optical filtering bar, and receiving element 14 is embedded in the second optical filtering bar; And radiated element 13 and the first optical filtering bar one-body molded, receiving element 14 and the second optical filtering bar one-body molded.The light that radiated element 13 is launched is through the reflection of the chamfering of the first optical filtering bar, and the surface along screen 11 arrives in the second optical filtering bar, is received after the reflection of the chamfering of the second optical filtering bar by receiving element 14.
It should be noted that, the quantity of the first optical filtering bar and the second optical filtering bar is all more than 1, and the first optical filtering bar and the second optical filtering bar are symmetrically distributed in the both sides of screen 11.
In addition, the quantity of radiated element 13 and receiving element 14 can be all multiple, and radiated element 13 come on the same level line in the first optical filtering bar, receiving element 14 also comes on the same level line in the second optical filtering bar.And radiated element 13 is electrically connected with pcb board 15 respectively with receiving element 14.
Radiated element 13 in above-described embodiment can be infrared transmitting tube, and receiving element 14 can be infrared receiving tube.Thus, launch by radiated element 13 light signal received by receiving element 14 and be infrared signal.In addition, in the course of the work, the core realizing total reflection is optical filtering bar 12, and therefore needing optical filtering bar 12 to carry out the full optical filtering bar launched for the light meeting radiated element 13 transmitting, can be acrylic optical filtering bar, or polycarbonate optical filtering bar.
It should be noted that, the screen 11 in above-described embodiment can be glass screen.
In a kind of touch-screen that above-described embodiment provides, optical filtering bar 12, radiated element 13, receiving element 14 and pcb board 15 can form touch frame, the thickness touching frame only includes the width of optical filtering bar 12, namely as shown in Figure 2 " d ", can be less than or equal to 2mm; The width touching frame is the thickness of radiated element 13 and the thickness of pcb board 15, or is the thickness of receiving element 14 and the thickness of pcb board 15, and namely as shown in Figure 2 " w ", can be less than or equal to 3mm, touch-screen realizes ultra-thin ultra-narrow.
Scheme in above-described embodiment is and realizes preferred version of the present utility model, and touch-screen can be made to become the touch-screen of ultra-thin ultra-narrow and strong light resistance.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the utility model.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a touch-screen, is characterized in that, comprises screen, optical filtering bar, radiated element, receiving element and pcb board;
Described pcb board is arranged at the side of described screen; The periphery of described screen is socketed with described optical filtering bar; Described optical filtering bar is embedded with described radiated element or described receiving element; The light that described radiated element is launched arrives in corresponding described optical filtering bar along the surface of described screen after the inwall reflection of described optical filtering bar, is received after the reflection of its inwall by described receiving element.
2. touch-screen according to claim 1, is characterized in that, the xsect of described optical filtering bar is " L " type; The corner angle of the bending place outside described optical filtering bar are chamfering, and plane and the described screen of inner side are fitted.
3. touch-screen according to claim 2, is characterized in that, described optical filtering bar comprises the first optical filtering bar and the second optical filtering bar; Described radiated element is embedded in described first optical filtering bar, and described receiving element is embedded in described second optical filtering bar; The light that described radiated element is launched, through the reflection of the chamfering of described first optical filtering bar, along in the described second optical filtering bar of surface arrival of described screen, is received by described receiving element after the reflection of the chamfering of described second optical filtering bar.
4. touch-screen according to claim 3, is characterized in that, described radiated element and described first optical filtering bar one-body molded, described receiving element and described second optical filtering bar one-body molded.
5. the touch-screen according to any one of claim 3 to 4, it is characterized in that, the quantity of described radiated element and described receiving element is multiple, and described radiated element come on the same level line in described first optical filtering bar, described receiving element also comes on the same level line in described second optical filtering bar.
6. touch-screen according to claim 1, is characterized in that, described radiated element is electrically connected with described pcb board respectively with described receiving element.
7. touch-screen according to claim 1, is characterized in that, described optical filtering bar is meet the light that described radiated element launches to carry out the optical filtering bar that is totally reflected.
8. touch-screen according to claim 7, is characterized in that, described optical filtering bar is acrylic optical filtering bar.
9. touch-screen according to claim 7, is characterized in that, described optical filtering bar is polycarbonate optical filtering bar.
10. touch-screen according to claim 1, is characterized in that, described radiated element is infrared transmitting tube, and described receiving element is infrared receiving tube, and described screen is glass screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058256.8U CN204537098U (en) | 2015-01-27 | 2015-01-27 | A kind of touch-screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058256.8U CN204537098U (en) | 2015-01-27 | 2015-01-27 | A kind of touch-screen |
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| Publication Number | Publication Date |
|---|---|
| CN204537098U true CN204537098U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520058256.8U Active CN204537098U (en) | 2015-01-27 | 2015-01-27 | A kind of touch-screen |
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| CN (1) | CN204537098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007408A1 (en) * | 2022-07-06 | 2024-01-11 | 深圳市康冠商用科技有限公司 | Electronic device and infrared touch frame having radio frequency signal processing function |
-
2015
- 2015-01-27 CN CN201520058256.8U patent/CN204537098U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024007408A1 (en) * | 2022-07-06 | 2024-01-11 | 深圳市康冠商用科技有限公司 | Electronic device and infrared touch frame having radio frequency signal processing function |
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